Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.20.2
Subsequent Events (Details) - $ / shares
 3 Months Ended 9 Months Ended 12 Months Ended
Oct. 27, 2020
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Subsequent Event [Line Items]            
Dividends declared per share (in dollars per share)   $ 0.050 $ 0.750 $ 0.850 $ 2.250  
Common Stock, par value $0.001 per share | Subsequent Event            
Subsequent Event [Line Items]            
Dividends declared per share (in dollars per share) $ 0.05          
7.375% Series A Cumulative Redeemable Preferred Stock            
Subsequent Event [Line Items]            
Preferred stock interest rate       7.375%   7.375%
7.375% Series A Cumulative Redeemable Preferred Stock | Depositary Shares | Subsequent Event            
Subsequent Event [Line Items]            
Depositary stock, dividends declared per share (in dollars per share) $ 0.4609375          
7.375% Series A Cumulative Redeemable Preferred Stock | Preferred Stock            
Subsequent Event [Line Items]            
Preferred stock interest rate       7.375%    
7.375% Series A Cumulative Redeemable Preferred Stock | Preferred Stock | Subsequent Event            
Subsequent Event [Line Items]            
Preferred stock interest rate 7.375%